The Watts Regulator 4 LFD957RPDA-OSY-GPM is a high-performance pressure regulator designed for optimal flow control in various applications. This model features durable construction with a robust design, ensuring reliability and longevity. It is engineered to handle a wide range of pressures, making it suitable for both residential and commercial use. The regulator is compliant with industry standards, ensuring safety and efficiency. Its compact dimensions allow for easy installation in tight spaces, while the user-friendly interface simplifies operation. Ideal for HVAC systems, irrigation, and other fluid management applications.